Finding the Fourth Proportional to 314,739.70, 472,249.08 and 164,944.36
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Solution
The fourth proportional to 314,739.70, 472,249.08 and 164,944.36 is: 247,489.66
Step by Step Solution
- Step 1: Write the proportion equation
314,739.70 : 472,249.08 = 164,944.36 : x - Step 2: Convert to fraction form
314,739.70/472,249.08 = 164,944.36/x - Step 3: Cross multiply
314,739.70x = 472,249.08 × 164,944.36 - Step 4: Simplify right side
314,739.70x = 77,894,822,261.19 - Step 5: Solve for x
x = 77,894,822,261.19/314,739.70 - Step 6: Final answer
x = 247,489.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.